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oracle 操作表示例

1.创建表:
       a. 创建xs表中计算机专业学生的备份
           Create table xs_jsj as select * from xs where zym=’计算机’;
       b.完整的例子:
      Create table test (xm char(20) not null,zy varchar(30) default (‘计算机’));
                -- Create table
                create table DEPT
                                (
                                    DEPTNO NUMBER(2) not null,
                                    DNAME VARCHAR2(14),
                                    LOC    VARCHAR2(13)
                                  )
                                tablespace USERS
                


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Oracle存储过程总结

1、创建存储过程
create or replace procedure test(var_name_1 in type,var_name_2 out type) as
--声明变量(变量名 变量类型)
begin
--存储过程的执行体
end test;
打印出输入的时间信息
E.g:
create or replace procedure test(workDate in Date) is
begin
dbms_output.putline('The input date is: ......

批处理(bat文件)自动启动/关闭oracle服务

批处理(bat文件) 自动启动/关闭oracle服务
判断oracle 服务状态
如果服务处于启动状态,就关闭服务;
如果服务处于关闭状态,就启动服务。
@ECHO OFF
for /f "skip=3 tokens=4" %%i in ('sc query OracleServiceORCL') do set "zt=%%i" &goto :next
:next
if /i "%zt%"=="RUNNING" (
ECHO Stoping Oracle ......

Oracle 1z0 047 Exam


Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
Questions and Answers : 278 Q&As
Update Time: 2010-04-15
1. Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns th ......

Oracle 1z0 047 Exam


Exam Number/Code : 1z0-047
Exam Name : Oracle Database SQL Expert
Questions and Answers : 278 Q&As
Update Time: 2010-04-15
1. Which two statements are true regarding the execution of the correlated subqueries? (Choose two.)
A. The nested query executes after the outer query returns th ......
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